基于能量流方法的纯电动汽车低温续驶里程提升研究  

Research on Improving the Low-Temperature Driving Range of Pure Electric Vehicles Based on the Energy Flow Method

作　　者：王福坚 谢佶宏 邵杰 蔡家康 唐逵 WANG Fujian;XIE Jihong;SHAO Jie;CAI Jiakang;TANG Kui(SAIC GM Wuling Automobile Co.,Ltd.,Liuzhou 545007,Guangxi,China)

机构地区：[1]上汽通用五菱汽车股份有限公司,广西柳州545007

出　　处：《汽车工程学报》2024年第3期531-543,共13页Chinese Journal of Automotive Engineering

基　　金：广西新能源汽车实验室专项(桂科AA23062086)。

摘　　要：以某带热泵系统的微小型纯电动乘用车为对象,开展低温CLTC-P循环工况下的续驶里程测试,通过综合研究测试数据并分解整车能量流,探讨提升续驶里程的潜在方向。基于AMESim平台建立包含热管理系统的整车动力经济性模型,经校准后仿真对比不同优化方案,制定组合优化方案。试验验证结果显示,组合优化方案可将低温续驶里程提升12.6%,其中热管理系统优化方案的贡献显著优于整车阻力优化方案和控制策略优化方案。为提升纯电动乘用车低温环境下的续驶里程提供参考思路和方法。This study focuses on a small-sized electric passenger vehicle equipped with a heat pump system,conducting a driving range test under low-temperature CLTC-P cycle conditions.By comprehensively examining the test data and analyzing the vehicle's energy flow,potential avenues for improving the driving range are explored.A comprehensive model of vehicle dynamics and economics,including the thermal management system,is established on the Amesim platform.After calibration,different optimization schemes are simulated and compared to develop a combined optimization scheme.Experimental results show that the combined optimization scheme can improve the low-temperature driving range by 12.6%.Among them,the contribution of the thermal management system optimization scheme significantly surpasses that of the vehicle resistance optimization scheme and the control strategy optimization scheme.This study provides reference ideas and methods for improving the driving range of pure electric passenger vehicles under lowtemperature environments.

关 键 词：纯电动车 能量流建模 低温续驶里程 热管理系统优化 

分 类 号：U469.72[机械工程—车辆工程]